[INFO] fetching crate tc-value 0.1.6...
[INFO] checking tc-value-0.1.6 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate tc-value 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tc-value 0.1.6 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-value 0.1.6
[INFO] finished tweaking crates.io crate tc-value 0.1.6
[INFO] tweaked toml for crates.io crate tc-value 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6ad4bcfaae193e34eaec20b06dea6f78bf8eeace9bdf85010d050ed9ff89c15
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6ad4bcfaae193e34eaec20b06dea6f78bf8eeace9bdf85010d050ed9ff89c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6ad4bcfaae193e34eaec20b06dea6f78bf8eeace9bdf85010d050ed9ff89c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ad4bcfaae193e34eaec20b06dea6f78bf8eeace9bdf85010d050ed9ff89c15", kill_on_drop: false }`
[INFO] [stdout] f6ad4bcfaae193e34eaec20b06dea6f78bf8eeace9bdf85010d050ed9ff89c15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 36d99f56c09febfc70315c089693a429c3d4a05f54aa36ca7a7b8bdb7f9e20b7
[INFO] running `Command { std: "docker" "start" "-a" "36d99f56c09febfc70315c089693a429c3d4a05f54aa36ca7a7b8bdb7f9e20b7", 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]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking safecast v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking collate v0.1.10
[INFO] [stderr]     Checking tc-error v0.2.0
[INFO] [stderr]     Checking tc-error v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking destream v0.3.2
[INFO] [stderr]     Checking number-general v0.3.6
[INFO] [stderr]     Checking tcgeneric v0.1.4
[INFO] [stderr]     Checking tc-value v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0271]: type mismatch resolving `<tcgeneric::TCPathBuf as FromStr>::Err == tc_error::TCError`
[INFO] [stdout]    --> src/link.rs:413:25
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 path: s.parse()?,
[INFO] [stdout]     |                         ^^^^^ expected struct `tc_error::TCError`, found a different struct `tc_error::TCError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `tc_error` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<tcgeneric::TCPathBuf as FromStr>::Err == tc_error::TCError`
[INFO] [stdout]    --> src/link.rs:413:25
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 path: s.parse()?,
[INFO] [stdout]     |                         ^^^^^ expected struct `tc_error::TCError`, found a different struct `tc_error::TCError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `tc_error` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<tcgeneric::Id as FromStr>::Err == tc_error::TCError`
[INFO] [stdout]    --> src/link.rs:436:24
[INFO] [stdout]     |
[INFO] [stdout] 436 |             .map(|s| s.parse())
[INFO] [stdout]     |                        ^^^^^ expected struct `tc_error::TCError`, found a different struct `tc_error::TCError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `tc_error` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<tcgeneric::Id as FromStr>::Err == tc_error::TCError`
[INFO] [stdout]    --> src/link.rs:436:24
[INFO] [stdout]     |
[INFO] [stdout] 436 |             .map(|s| s.parse())
[INFO] [stdout]     |                        ^^^^^ expected struct `tc_error::TCError`, found a different struct `tc_error::TCError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `tc_error` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tc-value`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "36d99f56c09febfc70315c089693a429c3d4a05f54aa36ca7a7b8bdb7f9e20b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d99f56c09febfc70315c089693a429c3d4a05f54aa36ca7a7b8bdb7f9e20b7", kill_on_drop: false }`
[INFO] [stdout] 36d99f56c09febfc70315c089693a429c3d4a05f54aa36ca7a7b8bdb7f9e20b7