[INFO] cloning repository https://github.com/GabrielDertoni/tapec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabrielDertoni/tapec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Ftapec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Ftapec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d0566d68fc58cf4066126e1561a642845dbfc29
[INFO] checking GabrielDertoni/tapec against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielDertoni%2Ftapec" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GabrielDertoni/tapec
[INFO] finished tweaking git repo https://github.com/GabrielDertoni/tapec
[INFO] tweaked toml for git repo https://github.com/GabrielDertoni/tapec written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GabrielDertoni/tapec on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GabrielDertoni/tapec 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b48d4a1dd69793590732969dc8d735bdddffef6ff46eb1b8a691d65c4e30521f
[INFO] running `Command { std: "docker" "start" "-a" "b48d4a1dd69793590732969dc8d735bdddffef6ff46eb1b8a691d65c4e30521f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b48d4a1dd69793590732969dc8d735bdddffef6ff46eb1b8a691d65c4e30521f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b48d4a1dd69793590732969dc8d735bdddffef6ff46eb1b8a691d65c4e30521f", kill_on_drop: false }`
[INFO] [stdout] b48d4a1dd69793590732969dc8d735bdddffef6ff46eb1b8a691d65c4e30521f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e90ef9fa38bfba45f08a735e74945e50baebeafbae9450cf204d803a700dc424
[INFO] running `Command { std: "docker" "start" "-a" "e90ef9fa38bfba45f08a735e74945e50baebeafbae9450cf204d803a700dc424", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tapec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `btree_drain_filter`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(btree_drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `btree_drain_filter`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(btree_drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `BTreeMap` in the current scope
[INFO] [stdout]    --> src/codegen.rs:750:18
[INFO] [stdout]     |
[INFO] [stdout] 749 |               let local_lbl_uses: Vec<_> = self.lit_uses
[INFO] [stdout]     |  __________________________________________-
[INFO] [stdout] 750 | |                 .drain_filter(|k, _| (Auto::Lbl(lbl, 0)..=Auto::Lbl(lbl, u32::MAX)).contains(k))
[INFO] [stdout]     | |                 -^^^^^^^^^^^^ method not found in `BTreeMap<Auto<'a>, Vec<LabelRef<'a>>>`
[INFO] [stdout]     | |_________________|
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `BTreeMap` in the current scope
[INFO] [stdout]    --> src/codegen.rs:750:18
[INFO] [stdout]     |
[INFO] [stdout] 749 |               let local_lbl_uses: Vec<_> = self.lit_uses
[INFO] [stdout]     |  __________________________________________-
[INFO] [stdout] 750 | |                 .drain_filter(|k, _| (Auto::Lbl(lbl, 0)..=Auto::Lbl(lbl, u32::MAX)).contains(k))
[INFO] [stdout]     | |                 -^^^^^^^^^^^^ method not found in `BTreeMap<Auto<'a>, Vec<LabelRef<'a>>>`
[INFO] [stdout]     | |_________________|
[INFO] [stdout]     |
[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 `tapec` (bin "tapec" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `tapec` (bin "tapec") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e90ef9fa38bfba45f08a735e74945e50baebeafbae9450cf204d803a700dc424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90ef9fa38bfba45f08a735e74945e50baebeafbae9450cf204d803a700dc424", kill_on_drop: false }`
[INFO] [stdout] e90ef9fa38bfba45f08a735e74945e50baebeafbae9450cf204d803a700dc424
