[INFO] cloning repository https://github.com/mondobe/tuck5
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mondobe/tuck5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmondobe%2Ftuck5", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmondobe%2Ftuck5'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7387d439e042700aed68ddab89a0081b328ea04e
[INFO] checking mondobe/tuck5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmondobe%2Ftuck5" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mondobe/tuck5
[INFO] finished tweaking git repo https://github.com/mondobe/tuck5
[INFO] tweaked toml for git repo https://github.com/mondobe/tuck5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mondobe/tuck5 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mondobe/tuck5 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking mondobe/tuck5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmondobe%2Ftuck5" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mondobe/tuck5
[INFO] finished tweaking git repo https://github.com/mondobe/tuck5
[INFO] tweaked toml for git repo https://github.com/mondobe/tuck5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mondobe/tuck5 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mondobe/tuck5 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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 test-case v3.1.0
[INFO] [stderr]   Downloaded test-case-core v3.1.0
[INFO] [stderr]   Downloaded test-case-macros v3.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1a8b6761b29758f053fdbd6c9206d12b85343a26f2708760f18da9cc3bc1e4b
[INFO] running `Command { std: "docker" "start" "-a" "e1a8b6761b29758f053fdbd6c9206d12b85343a26f2708760f18da9cc3bc1e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1a8b6761b29758f053fdbd6c9206d12b85343a26f2708760f18da9cc3bc1e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a8b6761b29758f053fdbd6c9206d12b85343a26f2708760f18da9cc3bc1e4b", kill_on_drop: false }`
[INFO] [stdout] e1a8b6761b29758f053fdbd6c9206d12b85343a26f2708760f18da9cc3bc1e4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce6b3743ceea07257c4ca09be5fd472a8fadc8b6633aeb3b10e113cd3501225e
[INFO] running `Command { std: "docker" "start" "-a" "ce6b3743ceea07257c4ca09be5fd472a8fadc8b6633aeb3b10e113cd3501225e", kill_on_drop: false }`
[INFO] [stderr]     Checking tuck5 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/meta/mod.rs:9:55
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn has_tag<'a>(tag: &'a str) -> impl Sequence<Vec<&str>> {
[INFO] [stdout]   |                          --                           ^^^^ the same lifetime is elided here
[INFO] [stdout]   |                          |
[INFO] [stdout]   |                          the lifetime is named here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn has_tag<'a>(tag: &'a str) -> impl Sequence<Vec<&'a str>> {
[INFO] [stdout]   |                                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/meta/mod.rs:27:46
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn tuck_tokens<'a>(text: &'a str) -> Vec<Token<Vec<&'a str>>> {
[INFO] [stdout]    |                               --             ^^^^^^^^^^^--^^^^^^
[INFO] [stdout]    |                               |              |          |
[INFO] [stdout]    |                               |              |          the same lifetime is named here
[INFO] [stdout]    |                               |              the same lifetime is hidden here
[INFO] [stdout]    |                               the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn tuck_tokens<'a>(text: &'a str) -> Vec<Token<'a, Vec<&'a str>>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling test-case-core v3.1.0
[INFO] [stderr]    Compiling test-case-macros v3.1.0
[INFO] [stderr]     Checking test-case v3.1.0
[INFO] [stdout] warning: unused import: `token::*`
[INFO] [stdout]  --> src/sequence/tests.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use token::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]  --> src/transform/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the name `tests` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]  --> src/transform/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use crate::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]  --> src/transform/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::*`
[INFO] [stdout]  --> src/transform/tests.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use token::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/meta/mod.rs:9:55
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn has_tag<'a>(tag: &'a str) -> impl Sequence<Vec<&str>> {
[INFO] [stdout]   |                          --                           ^^^^ the same lifetime is elided here
[INFO] [stdout]   |                          |
[INFO] [stdout]   |                          the lifetime is named here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn has_tag<'a>(tag: &'a str) -> impl Sequence<Vec<&'a str>> {
[INFO] [stdout]   |                                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/meta/mod.rs:27:46
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn tuck_tokens<'a>(text: &'a str) -> Vec<Token<Vec<&'a str>>> {
[INFO] [stdout]    |                               --             ^^^^^^^^^^^--^^^^^^
[INFO] [stdout]    |                               |              |          |
[INFO] [stdout]    |                               |              |          the same lifetime is named here
[INFO] [stdout]    |                               |              the same lifetime is hidden here
[INFO] [stdout]    |                               the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn tuck_tokens<'a>(text: &'a str) -> Vec<Token<'a, Vec<&'a str>>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]  --> src/tests/calculator/mod.rs:8:55
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn has_tag<'a>(tag: &'a str) -> impl Sequence<Vec<&str>> {
[INFO] [stdout]   |                          --                           ^^^^ the same lifetime is elided here
[INFO] [stdout]   |                          |
[INFO] [stdout]   |                          the lifetime is named here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn has_tag<'a>(tag: &'a str) -> impl Sequence<Vec<&'a str>> {
[INFO] [stdout]   |                                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/tests/calculator/mod.rs:12:46
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn calc_tokens<'a>(text: &'a str) -> Vec<Token<Vec<&'a str>>> {
[INFO] [stdout]    |                               --             ^^^^^^^^^^^--^^^^^^
[INFO] [stdout]    |                               |              |          |
[INFO] [stdout]    |                               |              |          the same lifetime is named here
[INFO] [stdout]    |                               |              the same lifetime is hidden here
[INFO] [stdout]    |                               the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn calc_tokens<'a>(text: &'a str) -> Vec<Token<'a, Vec<&'a str>>> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/tests/calculator/meta.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn calc_tokens<'a>(text: &str) -> Vec<Token<Vec<String>>> {
[INFO] [stdout]   |                              ^^^^         ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                              |
[INFO] [stdout]   |                              the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn calc_tokens<'a>(text: &str) -> Vec<Token<'_, Vec<String>>> {
[INFO] [stdout]   |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/tests/interp/mod.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn parse(text: &str) -> Vec<Token<Vec<String>>> {
[INFO] [stdout]   |                    ^^^^         ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn parse(text: &str) -> Vec<Token<'_, Vec<String>>> {
[INFO] [stdout]   |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "ce6b3743ceea07257c4ca09be5fd472a8fadc8b6633aeb3b10e113cd3501225e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6b3743ceea07257c4ca09be5fd472a8fadc8b6633aeb3b10e113cd3501225e", kill_on_drop: false }`
[INFO] [stdout] ce6b3743ceea07257c4ca09be5fd472a8fadc8b6633aeb3b10e113cd3501225e
