[INFO] cloning repository https://github.com/mneumann/graph-similarity-cmd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mneumann/graph-similarity-cmd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fgraph-similarity-cmd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fgraph-similarity-cmd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 897c11c0bded737266fb5e7823892da9e4a5b46c
[INFO] checking mneumann/graph-similarity-cmd against master#27d8a577138c0d319a572cd1a464c2b755e577de for pr-118882
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fgraph-similarity-cmd" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mneumann/graph-similarity-cmd on toolchain 27d8a577138c0d319a572cd1a464c2b755e577de
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+27d8a577138c0d319a572cd1a464c2b755e577de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mneumann/graph-similarity-cmd
[INFO] finished tweaking git repo https://github.com/mneumann/graph-similarity-cmd
[INFO] tweaked toml for git repo https://github.com/mneumann/graph-similarity-cmd written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mneumann/graph-similarity-cmd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+27d8a577138c0d319a572cd1a464c2b755e577de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking mneumann/graph-similarity-cmd against try#8bdbfd41bed26c4938a9f14bd20556eac1de8437 for pr-118882
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fgraph-similarity-cmd" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mneumann/graph-similarity-cmd on toolchain 8bdbfd41bed26c4938a9f14bd20556eac1de8437
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mneumann/graph-similarity-cmd
[INFO] finished tweaking git repo https://github.com/mneumann/graph-similarity-cmd
[INFO] tweaked toml for git repo https://github.com/mneumann/graph-similarity-cmd written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mneumann/graph-similarity-cmd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mneumann/graph-similarity-cmd against try#8bdbfd41bed26c4938a9f14bd20556eac1de8437 for pr-118882
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fgraph-similarity-cmd" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mneumann/graph-similarity-cmd on toolchain 8bdbfd41bed26c4938a9f14bd20556eac1de8437
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mneumann/graph-similarity-cmd
[INFO] finished tweaking git repo https://github.com/mneumann/graph-similarity-cmd
[INFO] tweaked toml for git repo https://github.com/mneumann/graph-similarity-cmd written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mneumann/graph-similarity-cmd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.1.0
[INFO] [stderr]   Downloaded graph-io-gml v0.1.0
[INFO] [stderr]   Downloaded graph-neighbor-matching v0.6.1
[INFO] [stderr]   Downloaded asexp v0.3.0
[INFO] [stderr]   Downloaded munkres v0.2.0
[INFO] [stderr]   Downloaded closed01 v0.4.0
[INFO] [stderr]   Downloaded petgraph v0.2.3
[INFO] [stderr]   Downloaded nalgebra v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c57ed20ab5f3bda9485339457217557918f6dedefd97dea4f9f50a3d208080c4
[INFO] running `Command { std: "docker" "start" "-a" "c57ed20ab5f3bda9485339457217557918f6dedefd97dea4f9f50a3d208080c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c57ed20ab5f3bda9485339457217557918f6dedefd97dea4f9f50a3d208080c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57ed20ab5f3bda9485339457217557918f6dedefd97dea4f9f50a3d208080c4", kill_on_drop: false }`
[INFO] [stdout] c57ed20ab5f3bda9485339457217557918f6dedefd97dea4f9f50a3d208080c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7276f140da2e701764cd60ef75c5f082590864c33823df0b283f3b49fa4b01ab
[INFO] running `Command { std: "docker" "start" "-a" "7276f140da2e701764cd60ef75c5f082590864c33823df0b283f3b49fa4b01ab", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.7
[INFO] [stderr]     Checking fixedbitset v0.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.18
[INFO] [stderr]     Checking asexp v0.3.0
[INFO] [stdout] error[E0635]: unknown feature `str_char`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.3.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_char)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking petgraph v0.2.3
[INFO] [stderr]     Checking munkres v0.2.0
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.3.0/src/atom.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |     match s.slice_shift_char() {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.18/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&'a str` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.3.0/src/token.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |     match s.slice_shift_char() {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ method not found in `&'a str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Zero`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/munkres-0.2.0/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::num::Zero;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ no `Zero` in `num`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::num::FpCategory::Zero;
[INFO] [stdout]    |     ~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 25 | use std::num::IntErrorKind::Zero;
[INFO] [stdout]    |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.3.0/src/token.rs:81:36
[INFO] [stdout]    |
[INFO] [stdout] 81 |                         match rest.slice_shift_char() {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `zero_one`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/munkres-0.2.0/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(zero_one)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.3.0/src/token.rs:96:52
[INFO] [stdout]    |
[INFO] [stdout] 96 | ...                   match rest.slice_shift_char() {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `munkres` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `slice_shift_char` found for reference `&str` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/asexp-0.3.0/src/token.rs:136:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |                     match s2.slice_shift_char() {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asexp` (lib) due to 7 previous errors
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.2.3/src/graph.rs:428:21
[INFO] [stdout]     |
[INFO] [stdout] 428 |         assert!(Ix::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                     ^^^ multiple `max` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `IndexType`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.2.3/src/graph.rs:31:5
[INFO] [stdout]     |
[INFO] [stdout] 31  |     fn max() -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout]    --> /rustc/8bdbfd41bed26c4938a9f14bd20556eac1de8437/library/core/src/cmp.rs:829:5
[INFO] [stdout] help: use fully-qualified syntax to disambiguate
[INFO] [stdout]     |
[INFO] [stdout] 428 |         assert!(<Ix as IndexType>::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 428 |         assert!(Ord::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                 ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.2.3/src/graph.rs:428:38
[INFO] [stdout]     |
[INFO] [stdout] 376 | impl<N, E, Ty, Ix> Graph<N, E, Ty, Ix>
[INFO] [stdout]     |                -- expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 428 |         assert!(Ix::max().index() == !0 || NodeIndex::end() != node_idx);
[INFO] [stdout]     |                                      ^^ expected type parameter `Ix`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `Ix`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.2.3/src/graph.rs:465:21
[INFO] [stdout]     |
[INFO] [stdout] 465 |         assert!(Ix::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                     ^^^ multiple `max` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `IndexType`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.2.3/src/graph.rs:31:5
[INFO] [stdout]     |
[INFO] [stdout] 31  |     fn max() -> Self;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `Ord`
[INFO] [stdout]    --> /rustc/8bdbfd41bed26c4938a9f14bd20556eac1de8437/library/core/src/cmp.rs:829:5
[INFO] [stdout] help: use fully-qualified syntax to disambiguate
[INFO] [stdout]     |
[INFO] [stdout] 465 |         assert!(<Ix as IndexType>::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 465 |         assert!(Ord::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                 ~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.2.3/src/graph.rs:465:38
[INFO] [stdout]     |
[INFO] [stdout] 376 | impl<N, E, Ty, Ix> Graph<N, E, Ty, Ix>
[INFO] [stdout]     |                -- expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 465 |         assert!(Ix::max().index() == !0 || EdgeIndex::end() != edge_idx);
[INFO] [stdout]     |                                      ^^ expected type parameter `Ix`, found integer
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `Ix`
[INFO] [stdout]                          found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0034, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `petgraph` (lib) due to 5 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7276f140da2e701764cd60ef75c5f082590864c33823df0b283f3b49fa4b01ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7276f140da2e701764cd60ef75c5f082590864c33823df0b283f3b49fa4b01ab", kill_on_drop: false }`
[INFO] [stdout] 7276f140da2e701764cd60ef75c5f082590864c33823df0b283f3b49fa4b01ab